李伟兴 09:31:13
<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <style>
        .box {
            position: relative;
            /* width: 1000px;
            height: 200px;
            background-color: pink;
            margin: 100px auto;
            text-align: center;
            font-size: 50px;
            line-height: 200px;
            font-weight: 700; */
            width: 1200px;
        }

        .box1 {
            position: absolute;
            right: 20px;
            top: 10px;
            width: 20px;
            height: 20px;
            background-color: skyblue;
            text-align: center;
            line-height: 20px;
            font-size: 16px;
            cursor: pointer;


        }
    </style>
</head>

<body>
    <div class="box">
        我是广告
        <img src="./images/jd.webp" alt="">
        <div class="box1">X</div>
    </div>
    <script>
        // 获取元素 
        // const box1 = document.querySelector('.box1')
        // const box = document.querySelector('.box')
        // box1.addEventListener('click', () => {
        //     box.style.display = 'none'
        //     console.log(1);

        // })
        const box = document.querySelector('.box')
        const box1 = document.querySelector('.box1')
        box1.addEventListener('click', () => {
            box.style.display = 'none'
        })
    </script>
</body>

</html>